Cleaning brush



FIG. 1 is a top perspective view of the cleaning brush according to the present design.

FIG. 2 is a top view of the cleaning brush as shown in FIG. 1;

FIG. 3 is a bottom view of the cleaning brush as shown in FIG. 1;

FIG. 4 is a left side view of the cleaning brush as shown in FIG. 1;

FIG. 5 is a right side view of the cleaning brush as shown in FIG. 1;

FIG. 6 is a front view of the cleaning brush as shown in FIG. 1; and,

FIG. 7 is a rear view of the cleaning brush as shown in FIG. 1.

The broken lines shown in FIGS. 1-7 are for illustrative purposes only and form no part of the claimed design. 

CLAIM The ornamental design for a cleaning brush, as shown and described. 